AC is tangent to circle o at point C.
What is the length of AB?
units
Please help. Giving out 30pts

The length of AB is 18 units

Explanation:

AOC forms a right angle triangle

where,

OC is the height

AC is the base

AO is the hypotenuse

Using pythagoras theorm:

(AO)² = (OC)² + (AC)²

(AO)² = (7)² + (24)²

AO = 25 units

Length AB = ?

According to the figure:

AO = AB + BO

25 = AB + 7                     (OB is the radius of the circle)

AB = 18units

Therefore, the length of AB is 18 units

AB=18

Step-by-step explanation:

Got it wrong on Khan. :p

step-by-step explanation:

d

6 meters

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